VerifiedOceaniaReviewed 2026-08-08

Tonga

Tonga is listed with calling code +676, ISO codes TO and TON, the .to ccTLD, and the paanga.

VerifiedReviewed 2026-08-08
Calling code
+676
ISO alpha-2
TO
ISO alpha-3
TON
ISO numeric
776
ccTLD
.to
Currency
TOPTongan paʻanga (TOP)
Region
Oceania
Capital
Nuku'alofa
Time zones
Pacific/Tongatapu

Sources and review

ISO 3166 - Country Codes · ITU-T - International Calling Codes · IANA - Root Zone Database · ISO 4217 - Currency Codes

How to call Tonga

From outside Tonga, dial your international access prefix, then +676, then the national number. Drop the leading trunk zero when the destination numbering plan requires it.

+676 [area or mobile code] [local number]

Read the international dialing guide

World references

+676Calling code pageTOPCurrency referenceISOCountry codes lookup

Quick answers for Tonga

What is the country calling code for Tonga?

Tonga uses +676. Dial the international access prefix, then +676, then the local number without the national trunk prefix where required.

What is the ISO country code for Tonga?

The ISO 3166-1 codes are alpha-2 TO, alpha-3 TON, and numeric 776.

What currency does Tonga use?

Tonga uses Tongan paʻanga (TOP).

What is the ccTLD for Tonga?

Tonga uses .to as its country-code top-level domain.